Re: [PATCH v6 0/8] Add printf attribute to kselftest functions

From: Maciej Wieczór-Retman
Date: Mon Oct 16 2023 - 01:29:00 EST


On 2023-10-13 at 15:03:11 -0600, Shuah wrote:
>On 10/13/23 05:36, Maciej Wieczor-Retman wrote:
>> kselftest.h declares many variadic functions that can print some
>> formatted message while also executing selftest logic. These
>> declarations don't have any compiler mechanism to verify if passed
>> arguments are valid in comparison with format specifiers used in
>> printf() calls.
>>
>> Attribute addition can make debugging easier, the code more consistent
>> and prevent mismatched or missing variables.
>>
>> The first patch adds __printf() macro and applies it to all functions
>> in kselftest.h that use printf format specifiers. After compiling all
>> selftests using:
>> make -C tools/testing/selftests
>> many instances of format specifier mismatching are exposed in the form
>> of -Wformat warnings.
>>
>> Fix the mismatched format specifiers caught by __printf() attribute in
>> multiple tests.
>>
>> Series is based on kselftests next branch.
>>
>> Changelog v6:
>> - Add methodology notes to all patches.
>> - No functional changes in the patches.
>>
>
>Applied this series and the following three - all 25 patches are
>in linux-kselftest next for Linux 6.7-rc1.
>
>[1] https://lore.kernel.org/all/cover.1696932728.git.maciej.wieczor-retman@xxxxxxxxx/
>[2] https://lore.kernel.org/all/20231002094813.6633-1-ilpo.jarvinen@xxxxxxxxxxxxxxx/
>[3] https://lore.kernel.org/all/20230904095339.11321-1-ilpo.jarvinen@xxxxxxxxxxxxxxx/
>
>thanks,
>-- Shuah
>

Thank you!

--
Kind regards
Maciej Wieczór-Retman